# -*- coding: utf-8 -*-
import re
from copy import deepcopy

import scrapy
import time


class BilianSpider(scrapy.Spider):
    name = 'bilian'
    # allowed_domains = ['ebnew','ss.ebnew.com']
    keyword_s = ['路由器', '变压器']
    # 存储的数据格式
    # 存储的数据格式
    sql_data = dict(
        projectcode='',  # 项目编号
        web='',  # 信息来源网站
        keyword='',  # 关键字
        detail_url='',  # 招标详细页网址
        title='',  # 第三方网站发布标题
        toptype='',  # 信息类型
        province='',  # 归属省份
        product='',  # 产品范畴
        industry='',  # 归属行业
        tendering_manner='',  # 招标方式
        publicity_date='',  # 招标公示日期
        expiry_date='',  # 招标截止时间
    )
    # Form表单在数据格式
    form_data = dict(
        infoClassCodes='',
        rangeType='',
        projectType='bid',
        fundSourceCodes='',
        dateType='',
        startDateCode='',
        endDateCode='',
        pubDateType='',
        pubDateBegin='',
        pubDateEnd='',
        sortMethod='timeDesc',
        orgName='',
        normIndustry='',
        normIndustryName='',
        zone='',
        zoneName='',
        zoneText='',
        key='路由器',
        currentPage='',

    )
    # start_request可以跳过allowed_domains，即可以访问淘宝都可以
    def start_requests(self):
        # # 测试详细页面
        # yield scrapy.Request(
        #     url='http://www.ebnew.com/businessShow/631160959.html',
        #     callback=self.parse_page2
        # )
        for keyword in self.keyword_s:
            # 多线程操作同个一数据，会报错
            # 深拷贝了一份formdata,里面都是为空
            form_data = deepcopy(self.form_data)
            form_data['key'] = keyword
            form_data['currentPage'] = '1'
            request = scrapy.FormRequest(
                url='http://ss.ebnew.com/tradingSearch/index.htm',
                formdata=form_data,
                callback=self.parse_start
            )
            # time.sleep(1)
            # 为了下次使用,把对象保存到request,遍历第二页的时候就能拿到form_data
            request.meta['form_data'] = form_data
            yield request

    def parse_start(self,response):
        #先找到页码总数，再遍历
        a_text_s = response.xpath('//form[@id="pagerSubmitForm"]/a/text()').extract()
        page_max = max(
            #列表生成式
            [int(a_text) for a_text in a_text_s if re.match('\d+', a_text)]
        )
        # page_max = 2
        self.test_page1(response)

        for page in range(2,page_max+1):
            #拿到reque传过来 的meta['form_data']
            form_data = deepcopy(response.meta['form_data'])
            form_data['currentPage'] = str(page)
            request = scrapy.FormRequest(
                url='http://ss.ebnew.com/tradingSearch/index.htm',
                formdata=form_data,
                callback=self.test_page1
            )
            #发送前把form_data交给reque
            request.meta['form_data'] = form_data
            time.sleep(1)
            #把请求交给调度器
            yield request



        #测试搜索页面
        # form_data =self.form_data
        # form_data['key'] = '路由器'
        # form_data['currentPage'] = '2'
        # # 要使用FormRequest，才有formdata,request是get请求
        # yield scrapy.FormRequest(
        #     #注意网址有无写错，写错会返回空
        #     url='http://ss.ebnew.com/tradingSearch/index.htm',
        #     formdata=form_data,
        #     callback=self.parse_page1
        # )
    def test_page1(self, response):
        #测试是否能访问地址
        # with open('2.html','wb')as f:
        #     f.write(response.body)


        # 把结果封装到SQL_data
        form_data = response.meta['form_data']
        # jun   TypeError: 'builtin_function_or_method' object is not subscriptable
        # 内建函数或者方法对象不能subscriptable
        # 错误在index[key]，原因是：index后应当是()
        keyword = form_data.get('key')
        content_list_x_s = response.xpath('//div[@class="ebnew-content-list"]/div')
        for content_list_x in content_list_x_s:
            sql_data = deepcopy(self.sql_data)
            sql_data['toptype'] = content_list_x.xpath('./div[1]/i[1]/text()').extract_first()
            sql_data['title'] = content_list_x.xpath('./div[1]/a/text()').extract_first()
            sql_data['publicity_date'] = content_list_x.xpath('./div[1]/i[2]/text()').extract_first()
            if sql_data['publicity_date']:
                sql_data['publicity_date'] = re.sub('[^0-9\-]', '', sql_data['publicity_date'])
            sql_data['tendering_manner'] = content_list_x.xpath('./div[2]/div[1]/p[1]/span[2]/text()').extract_first()
            sql_data['product'] = content_list_x.xpath('./div[2]/div[1]/p[2]/span[2]/text()').extract_first()
            sql_data['expiry_date'] = content_list_x.xpath('./div[2]/div[2]/p[1]/span[2]/text()').extract_first()
            sql_data['province'] = content_list_x.xpath('./div[2]/div[2]/p[2]/span[2]/text()').extract_first()
            sql_data['detail_url'] = content_list_x.xpath('./div[1]/a/@href').extract_first()
            sql_data['keyword'] = keyword
            sql_data['web'] = '必联网'
            # print('pare_page1',sql_data)
            #这里get请求，使用Request；如果带有data才使用FormRequest
            request = scrapy.Request(
                url=sql_data['detail_url'],
                callback=self.test_page2
            )
            time.sleep(1)
            print('='*20)
            request.meta['sql_data'] = sql_data
            yield request

    def test_page2(self, response):
        print('进入parse22222')
        sql_data = response.meta['sql_data']
        sql_data['projectcode'] = response.xpath(
            '/ul[contains(@class,"ebnew-project-information")]/li[1]/span[2]/text()').extract_first()
        sql_data['industry'] = response.xpath(
            '/ul[contains(@class,"ebnew-project-information")]/li[8]/span[2]/text()').extract_first()
        if not sql_data['projectcode']:
            projectcode_find = re.findall('项目编号[:：]{0,1}\s{0,2}([a-zA-Z0-9\-_]{10,80})', response.body.decode('utf-8'))
            # projectcode_find = re.findall(
            #     '(项目编码|项目标号|采购文件编号|招标编号|项目编号|竞价文件编号)[：:]{0,1}\s{0,2}\n*(</span\s*>)*\n*(<span.*?>)*\n*(<u*?>)*\n*([a-zA-Z0-9\-_\[\]]{1,100})',
            #     response.body.decode('utf-8'))
            sql_data['projectcode'] = projectcode_find[0] if projectcode_find else ""
        yield sql_data

        # 测试parse_page是否行通
        # li_x_s = response.xpath('//ul[contains(@class,"ebnew-project-information")]/li')
        # projectcode = li_x_s[0].xpath('./span[2]/text()').extract_first()
        # industry = li_x_s[7].xpath('./span[2]/text()').extract_first()
        # if not projectcode:
        #     projectcode_find = re.findall('项目编号[:：]{0,1}\s{0,2}([a-zA-Z0-9\-_]{10,80})', response.body.decode('utf-8'))
        #     projectcode = projectcode_find[0] if projectcode_find else ""
        # print(projectcode, industry)

